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Image #1 - New 2026 Forest River RV Sandpiper 3900HBLR Fifth Wheel - Stock #J048450
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- Sale Price: $63,995
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43ft long
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13,284 lbs
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Sleeps 4
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3 slides
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Front BathRear Living Area
Ask the Product Expert
Disclaimer: Responses provided by Ask the Product Expert are created by AI and offer general content for informational purposes only and should not be considered professional advice or official representation of vehicle features, pricing, or availability. Our dealership did not create and is not responsible for the information. The information provided may be incomplete or inaccurate and should be checked. For the most up-to-date and accurate information, please contact our dealership directly. Any offers, pricing, or availability mentioned by the AI-generated response are not binding and are subject to verification by authorized dealership personnel.
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3900HBLR Floorplan
Specifications
| Sleeps | 4 | Slides | 3 |
| Length | 42 ft 9 in | Ext Width | 8 ft |
| Ext Height | 13 ft 4 in | Hitch Weight | 2085 lbs |
| GVWR | 16085 lbs | Dry Weight | 13284 lbs |
| Cargo Capacity | 2801 lbs | Fresh Water Capacity | 50 gals |
| Grey Water Capacity | 136 gals | Black Water Capacity | 104 gals |
| Tire Size | 16" | Furnace BTU | 40000 btu |
| Available Beds | King | Refrigerator Type | 12V Stainless |
| Cooktop Burners | 3 | Number of Awnings | 1 |
| LP Tank Capacity | 30 lbs | Water Heater Capacity | 60000 gal |
| Water Heater Type | On Demand Tankless | AC BTU | 30000 btu |
| TV Info | LR 50" Flat Screen TV | Awning Info | 12' and 18' Electric with LED Light Strip |
| Axle Count | 2 | Washer/Dryer Available | Yes |
| Number of LP Tanks | 2 | Shower Type | Walk-In Shower |
| VIN | 4X4FSAR26TJ048450 |
Description
No Fees
HIGHLAND INTERIOR!!!
Forest River Sandpiper fifth wheel 3900HBLR highlights:
- King Bed Slide Out
- L-Shaped Sofa with Chaise Lounge
- Butler Pantry
- Bath and a Half
It will be easier than ever to enjoy camping trips in this triple slide out fifth wheel, or even go full-time! The combined kitchen and living area features dual opposing slides for ample space, an L-shaped sofa with a chaise lounge, and a fireplace with a hidden pantry behind for snacks! A desk with a chair and a USB port will provide a place to work if you need to send some emails, and the large kitchen island will give you ample room to prep dinner when you get hungry. There are also pendant lights here, along with a waterfall edge and barstools for dining space. The mid-coach half bath includes a toilet, sink, plus washer and dryer prep, giving you the option to make this the perfect laundry room! The master bedroom up front may be your favorite place to unwind in this unit. There is a king bed slide, a small dresser plus a tall dresser, and a TV hookup if you want the option to watch movies in bed. And you'll be wowed by the front master bedroom with its fiberglass shower with a seat, dual bath sinks, and large walk-in closet!
You will find the perfect balance of size, space, features, and luxury with any one of these Forest River Sandpiper fifth wheels! They are constructed with a welded aluminum framed vacuum bonded laminated superstructure, a cambered powder coated frame with rust prohibitor, and a fully enclosed underbelly for added protection against the elements. The large tinted windows come with a 80/20 UV prohibitor or you can choose the optional dual pane windows. Some hassle-free amenities include a 60k BTU on-demand water heater, full coach water filter system, tire pressure monitor system, and an electric leveling system! Inside, you'll enjoy stainless steel appliances, solid surface countertops, Beachside Sundance linoleum, recessed residential lighting, and many more comforts!
Features
Standard Features (2026)
Exterior
- Automatic Electric Level-Up System
- 2" Towing and Accessory Hitch (Where Available)
- 7,000lb axles with Anti-lock Braking System
- Goodyear Radial Tires w/ anti-lock brakes
- Lippert auto adjust brakes
- Rich Solar 200W roof mounted solar panel with controller and battery
- Quad MORryde® step above with strut (Where Available)
- Color matched high gloss gel coated colored exterior fiberglass
- Painted two tone aerodynamic fiberglass front cap with improved turning radius
- Underbelly Armor
- Tire Pressure Monitoring System
- Spare tire
- Large, tinted windows with 80/20 UV prohibitor
- Electric awning with LED light strip
- Prepped for Lippert On-The-Go Ladder
- Power front jacks with spring loaded pins
- Automotive-style fender skirts
- Hitch light
- Porch light with interior switch
- 30 lb. double LP tanks with auto change over
- Rain gutters with extra long drip spouts (Prevents black streaking)
- Insulated heavy duty slam lock baggage doors
- Exterior foldable grab handle
- Unobstructed pass through storage area
- Upgraded aluminum rims
- Oversized friction hinge entry door with extended latch (Main Entry)
- Exterior LP Quick Connect
Interior
- Solid Surface Kitchen Counter tops
- Fiberglass one-piece shower
- Washer and Dryer Prep
- 7’ slide-out height (Main Slides)
- Stainless steel kitchen package
- Beachside Sundance Congoleum linoleum
- Hidden hinged, soft close drawers and cabinets
- Full extension ball bearing drawer guides
- Stainless steel under mounted kitchen sink
- Trash receptacle in kitchen
- Decorative backsplash
- Two color coordinated interiors
- LED lighting throughout
- Recessed residential lighting
- Accent lighting over dinette
- Extra large, panoramic picture windows throughout
- Vented side windows in slide-outs
- TV antenna with booster
- Solid wood drawer fronts with birch sides
- Solid wood, square inset cabinet doors, painted or wood grain
- Bedroom slide-out fascia
- Memory foam mattress
- Teddy Bear® bunk mats
- 50" flatscreen smart TV (65” 3900HBLR)
- JBL Aura Cube FM/Bluetooth media center
- Designer window treatment
- Ceiling fan
- Tri-fold hide-a-bed sofa
- Quilted bedspread
- Prepped for inverter
Appliances/Systems
- Dual ducted 15k BTU Air Conditioners, prepped for 3rd 15k BTU A/C
- AIRDIRECT® Air Vents for improved efficiency
- 16 cu. ft. 12V refrigerator
- 60,000BTU On Demand Tankless Water Heater
- 40,000BTU furnace
- Heated Holding Tanks (12V)
- Floor ducted 40,000BTU furnace
- 30" OTR stainless steel microwave
- Chef collection 3 burner / 24" oven with drawers
- Interior monitor panel for holding tanks
- Satellite and cable hookup with RG-6 cable for high quality picture
- Porcelain foot flush toilet(s)
- 65 Amp converter
- Power fan in Kitchen and Bathroom(s)
Construction
- 5/8" tongue and groove DryMax® OSB floor decking
- 2 x 3 floor joists, 12" on center
- Laminated sidewalls
- 3/8" roof decking (Full walk-on roof)
- Cambered powder coated frame with rust prohibitor
- Underbelly armor
- 5" truss roof rafters
- R-10, 2" sidewall construction
- Laminated slide-out walls
For Your Safety
- Smoke alarm
- Fire extinguisher
- Breakaway switch (Battery hook-up required)
- Dead-bolt lock on entry door
- LP/CO2 gas detector
- Fire escape windows
Popular Options
- Two chairs in place of ottoman bench
- Cordless vacuum
- Slide room awnings (N/A dinette slides)
- Washer and Dryer (Standard on 3800RK & 3900HBLR)
- Dual pane windows (N/A 3900HBLR 84” Window)
- 3rd A/C power saver direct dump system w/ wall thermostat
See us for a complete list of features and available options!
All standard features and specifications are subject to change.
All warranty info is typically reserved for new units and is subject to specific terms and conditions. See us for more details.
Due to the current environment, our features and options are subject to change due to material availability.
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MThe service department is amazing!
The service department is amazing! I’ve been an RV owner for years & I’ve never had a better experience. I had my hydraulic jacks repaired, entertainment center completely rewired, & backup camera wired all in 2 days & for 1/3 the price I was quoted just for the parts for the jacks at another dealership. -
AzeaFabulous people!
Fabulous people. Incredible service. Awesome experience. They made shopping for our new toy hauler pain free. Can’t say enough wonderful things about the people here. -
Stephanie from Thomasboro, ILFirst Time 5th Wheel Owners
We purchased our Arctic Wolf this past weekend from RV Dynasty and I cannot say enough good things about this dealership. We worked with Brock, Tara, Jesse, and Mike. They know their RVs and are willing to make a deal. They were able to answer any questions we had, gave us an hour orientation of how
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RV Dynasty is not responsible for any misprints, typos, or errors found in our website pages. All percent off numbers are rounded to the nearest percent. Any price listed excludes sales tax, registration tags, and delivery fees. Payments are estimates based on 10% down and 7.99% APR for qualified buyers based on 120 month to 240 month terms based on amount financed. Manufacturer pictures, specifications, and features may be used in place of actual units on our lot. Please contact us @765-689-8815 for availability as our inventory changes rapidly. All calculated payments are an estimate only and do not constitute a commitment that financing or a specific interest rate or term is available.
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